<template>
  <div class="app">
    <h1>你好啊</h1>
    <person-v3></person-v3>
  </div>
</template>

<script lang="ts">
import personV3 from "@/components/PersonV3.vue";
export default {
  name: 'App',
  components:{personV3}  //注册组件
}
</script>

<style scoped>
.app {
  background-color: gray;
  box-shadow: 0 0 10px;
  border-radius: 10px;
  padding: 20px;
}
</style>